// E2E tests for /notes endpoints — handler + real DB

import { assertEquals, assertExists } from "@std/assert";
import {
  makeEmployeeContext,
  makeGetRequest,
  makeJsonRequest,
} from "../helpers/handler.ts";
import {
  seedModules,
  seedNotes,
  seedPromotions,
  seedStudents,
  truncateAll,
} from "../helpers/db_integration.ts";
import { handler as notesHandler } from "$apps/notes/api/notes.ts";
import { handler as noteHandler } from "$apps/notes/api/notes/[numEtud]/[idModule].ts";

// --- GET /notes ---

Deno.test({
  name: "e2e notes: GET /notes returns all notes",
  async fn() {
    await truncateAll();
    await seedPromotions([{ id: "P1" }]);
    const [s] = await seedStudents([{ nom: "Dupont", prenom: "Jean", idPromo: "P1" }]);
    await seedModules([{ id: "M1", nom: "Mod A" }, { id: "M2", nom: "Mod B" }]);
    await seedNotes([
      { numEtud: s.numEtud, idModule: "M1", note: 15.0 },
      { numEtud: s.numEtud, idModule: "M2", note: 12.0 },
    ]);
    const res = await notesHandler.GET!(makeGetRequest("/notes"), makeEmployeeContext());
    assertEquals(res.status, 200);
    const body = await res.json();
    assertEquals(body.length, 2);
  },
  sanitizeResources: false,
  sanitizeOps: false,
});

Deno.test({
  name: "e2e notes: GET /notes?numEtud filters by student",
  async fn() {
    await truncateAll();
    await seedPromotions([{ id: "P1" }]);
    const [s1] = await seedStudents([{ nom: "Dupont", prenom: "Jean", idPromo: "P1" }]);
    const [s2] = await seedStudents([{ nom: "Martin", prenom: "Alice", idPromo: "P1" }]);
    await seedModules([{ id: "M1", nom: "Mod A" }]);
    await seedNotes([
      { numEtud: s1.numEtud, idModule: "M1", note: 15.0 },
      { numEtud: s2.numEtud, idModule: "M1", note: 12.0 },
    ]);
    const res = await notesHandler.GET!(
      makeGetRequest("/notes", { numEtud: String(s1.numEtud) }),
      makeEmployeeContext(),
    );
    assertEquals(res.status, 200);
    const body = await res.json();
    assertEquals(body.length, 1);
    assertEquals(body[0].numEtud, s1.numEtud);
  },
  sanitizeResources: false,
  sanitizeOps: false,
});

Deno.test({
  name: "e2e notes: GET /notes?numEtud=NaN returns 400",
  async fn() {
    await truncateAll();
    const res = await notesHandler.GET!(
      makeGetRequest("/notes", { numEtud: "abc" }),
      makeEmployeeContext(),
    );
    assertEquals(res.status, 400);
  },
  sanitizeResources: false,
  sanitizeOps: false,
});

Deno.test({
  name: "e2e notes: GET /notes?idModule filters by module",
  async fn() {
    await truncateAll();
    await seedPromotions([{ id: "P1" }]);
    const [s] = await seedStudents([{ nom: "Dupont", prenom: "Jean", idPromo: "P1" }]);
    await seedModules([{ id: "M1", nom: "Mod A" }, { id: "M2", nom: "Mod B" }]);
    await seedNotes([
      { numEtud: s.numEtud, idModule: "M1", note: 15.0 },
      { numEtud: s.numEtud, idModule: "M2", note: 10.0 },
    ]);
    const res = await notesHandler.GET!(
      makeGetRequest("/notes", { idModule: "M1" }),
      makeEmployeeContext(),
    );
    assertEquals(res.status, 200);
    const body = await res.json();
    assertEquals(body.length, 1);
    assertEquals(body[0].idModule, "M1");
  },
  sanitizeResources: false,
  sanitizeOps: false,
});

// --- POST /notes ---

Deno.test({
  name: "e2e notes: POST /notes creates note (201)",
  async fn() {
    await truncateAll();
    await seedPromotions([{ id: "P1" }]);
    const [s] = await seedStudents([{ nom: "Leroy", prenom: "Paul", idPromo: "P1" }]);
    await seedModules([{ id: "M1", nom: "Mod A" }]);
    const res = await notesHandler.POST!(
      makeJsonRequest("/notes", "POST", { numEtud: s.numEtud, idModule: "M1", note: 14.0 }),
      makeEmployeeContext(),
    );
    assertEquals(res.status, 201);
    const body = await res.json();
    assertExists(body.numEtud);
    assertEquals(body.note, 14.0);
  },
  sanitizeResources: false,
  sanitizeOps: false,
});

Deno.test({
  name: "e2e notes: POST /notes 400 on missing fields",
  async fn() {
    await truncateAll();
    const res = await notesHandler.POST!(
      makeJsonRequest("/notes", "POST", { numEtud: 12345 }),
      makeEmployeeContext(),
    );
    assertEquals(res.status, 400);
  },
  sanitizeResources: false,
  sanitizeOps: false,
});

// --- GET /notes/:numEtud/:idModule ---

Deno.test({
  name: "e2e notes: GET /notes/:numEtud/:idModule returns note",
  async fn() {
    await truncateAll();
    await seedPromotions([{ id: "P1" }]);
    const [s] = await seedStudents([{ nom: "Bernard", prenom: "Lucie", idPromo: "P1" }]);
    await seedModules([{ id: "M1", nom: "Mod A" }]);
    await seedNotes([{ numEtud: s.numEtud, idModule: "M1", note: 18.0 }]);
    const res = await noteHandler.GET!(
      makeGetRequest(`/notes/${s.numEtud}/M1`),
      makeEmployeeContext({ numEtud: String(s.numEtud), idModule: "M1" }),
    );
    assertEquals(res.status, 200);
    const body = await res.json();
    assertEquals(body.note, 18.0);
  },
  sanitizeResources: false,
  sanitizeOps: false,
});

Deno.test({
  name: "e2e notes: GET /notes/:numEtud/:idModule 404 when not found",
  async fn() {
    await truncateAll();
    const res = await noteHandler.GET!(
      makeGetRequest("/notes/99999/GHOST"),
      makeEmployeeContext({ numEtud: "99999", idModule: "GHOST" }),
    );
    assertEquals(res.status, 404);
  },
  sanitizeResources: false,
  sanitizeOps: false,
});

// --- PUT /notes/:numEtud/:idModule ---

Deno.test({
  name: "e2e notes: PUT /notes/:numEtud/:idModule updates note",
  async fn() {
    await truncateAll();
    await seedPromotions([{ id: "P1" }]);
    const [s] = await seedStudents([{ nom: "Thomas", prenom: "Eva", idPromo: "P1" }]);
    await seedModules([{ id: "M1", nom: "Mod A" }]);
    await seedNotes([{ numEtud: s.numEtud, idModule: "M1", note: 10.0 }]);
    const res = await noteHandler.PUT!(
      makeJsonRequest(`/notes/${s.numEtud}/M1`, "PUT", { note: 16.0 }),
      makeEmployeeContext({ numEtud: String(s.numEtud), idModule: "M1" }),
    );
    assertEquals(res.status, 200);
    const body = await res.json();
    assertEquals(body.note, 16.0);
  },
  sanitizeResources: false,
  sanitizeOps: false,
});

Deno.test({
  name: "e2e notes: PUT /notes/:numEtud/:idModule 404 when not found",
  async fn() {
    await truncateAll();
    const res = await noteHandler.PUT!(
      makeJsonRequest("/notes/99999/GHOST", "PUT", { note: 10.0 }),
      makeEmployeeContext({ numEtud: "99999", idModule: "GHOST" }),
    );
    assertEquals(res.status, 404);
  },
  sanitizeResources: false,
  sanitizeOps: false,
});

// --- DELETE /notes/:numEtud/:idModule ---

Deno.test({
  name: "e2e notes: DELETE /notes/:numEtud/:idModule returns 204",
  async fn() {
    await truncateAll();
    await seedPromotions([{ id: "P1" }]);
    const [s] = await seedStudents([{ nom: "Petit", prenom: "Hugo", idPromo: "P1" }]);
    await seedModules([{ id: "M1", nom: "Mod A" }]);
    await seedNotes([{ numEtud: s.numEtud, idModule: "M1", note: 9.0 }]);
    const res = await noteHandler.DELETE!(
      makeGetRequest(`/notes/${s.numEtud}/M1`),
      makeEmployeeContext({ numEtud: String(s.numEtud), idModule: "M1" }),
    );
    assertEquals(res.status, 204);
  },
  sanitizeResources: false,
  sanitizeOps: false,
});

Deno.test({
  name: "e2e notes: DELETE /notes/:numEtud/:idModule 404 when not found",
  async fn() {
    await truncateAll();
    const res = await noteHandler.DELETE!(
      makeGetRequest("/notes/99999/GHOST"),
      makeEmployeeContext({ numEtud: "99999", idModule: "GHOST" }),
    );
    assertEquals(res.status, 404);
  },
  sanitizeResources: false,
  sanitizeOps: false,
});